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Finding the Fourth Proportional to 544,062.80, 762,310 and 544,062.80

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Solution

The fourth proportional to 544,062.80, 762,310 and 544,062.80 is: 762,310

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,062.80 : 762,310 = 544,062.80 : x
  2. Step 2: Convert to fraction form
    544,062.80/762,310 = 544,062.80/x
  3. Step 3: Cross multiply
    544,062.80x = 762,310 × 544,062.80
  4. Step 4: Simplify right side
    544,062.80x = 414,744,513,068.00
  5. Step 5: Solve for x
    x = 414,744,513,068.00/544,062.80
  6. Step 6: Final answer
    x = 762,310

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.